Charging and processing case for wireless earbuds with in-the-ear electroencephalography implementation

ABSTRACT

This invention presents a wireless earbud case tailored for biometrics and wearable technology. Unlike basic charging cases like those of consumer earbuds in the market currently, this earbud case enriches mobile device interaction. The case processes biometric electroencephalography (EEG) data to aid in monitoring mood, sleep, and neurological health. It wirelessly links via Bluetooth or WiFi to transmit data to a mobile software. It charges earbuds and can indicate battery levels of the earbuds or the case itself. It receives, processes, and transmits EEG data from external sources like earbud-connected electrodes. Then, the processed data displays on devices like phones and computers. Compatible with EEG or magnetoencephalography earbuds, it offers electronic storage for the purpose of data security. This invention optimizes data flow to external devices, such as EEG earbuds for biometric and wearable tech applications.

RELATED U.S. APPLICATION DATA

-   -   CONVERSION OF PROVISIONAL (UTILITY) PATENT APPLICATION NO.        63/374,533 FILED ON Sep. 3, 2022    -   RELATED NONPROVISIONAL (UTILITY) PATENT APPLICATION SER. NO.        18/452,456 FILED ON Aug. 19, 2023

FIELD OF CLASSIFICATION SEARCH

CPC H04R 1/10; A61B 5/0476; A61B 5/0408; H04R 1/02; H04W

REFERENCES CITED

-   U.S. Pat. No. 8,885,464 B2 November 2014 Micu et al . . .-   U.S. Pat. No. 10,701,472 B1 June 2020 Xu et al . . .-   U.S. Pat. No. 10,701,472 B1 June 2020 Xu et al . . . HO4R 1/1025-   U.S. Pat. No. 2,698,099 B1 March 2018 Badower et al . . . A61B 5/00-   U.S. Pat. No. 3,570,557 B1 March 2022 McPeak et al . . . H04R 1/10-   U.S. Pat. No. 11,553,772 B2 January 2023 Brzezinski et al . . . .    H04B 1/38512/505,033 A1-   Matthews, J R . . . July 2009 A6IB5/0476

FIELD OF THE INVENTION

The present invention encompasses a multifaceted charging and processingcase designed for wireless earbuds in order to converge audio equipmentand neural monitoring. The present case is centered on the creation ofwireless charging that goes beyond traditional audio accessories. Theinvention falls in the field of signal processing specifically forneural activity to be monitored and interpreted in conjunction withauditory experiences. The charging case bridges the gap betweenaccessible EEG data capture and comprehensive analysis of the data.

BACKGROUND

Description of the Problem: Wireless earbuds have become an integralpart of our modern lifestyle, as their convenience and connectivitystreamline communication and audio playback. However, current productsare focused on providing audio playback and communicationfunctionalities and are limited in their scope of use. One underutilizeddevelopment is the ability to record biometric data: more specifically,the implementation of electroencephalography technology into earbuds.Without a comprehensive solution that bridges the gap between wirelessearbuds and advanced biometric data collection, users are left withunderutilized devices that fail to fulfill their potential as sources ofvaluable health and wellness information. Given how costly andinaccessible visiting medical professionals for EEG exams can be, fewpeople are well informed about their cognitive health. This productaddresses this issue by introducing an earbud case that capitalizes onits size and ability to house processing circuitry to process andtransmit EEG data to mobile devices.

Description of the Related Art & Limitations: Various manufacturers,including Apple, Bose, Samsung, and Sony have established a precedentfor enhancing user convenience with rechargeable wireless earbuds. Forinstance, the Apple AirPods case relays battery status information tousers by providing notifications about the charging level of the AirPodsand the case itself, ensuring users are informed about the readiness oftheir earbuds. Similarly, U.S. Pat. No. 9,148,717B2 addresses a wirelessearbud charging case with a focus on housing earbuds and transferring anelectrical charge from a power source to the earbuds. Given that manyexisting products' designs and functionality are centered around batterymanagement, the existing solutions do not cater to EEG-specificapplications. The technical constraints within the established artshighlight the need for a device that can combine wireless earbudcharging functionality with the processing demands of EEG-basedbiometric data. The present invention aims to bridge the gap by offeringa wireless earbud case that facilitates the processing and transmissionof EEG data to mobile devices. By overcoming the limitations of therelated arts, the invention allows for the integration of EEG technologyinto wireless earbud cases, enabling neurological assessment andanalysis.

Objective of the Invention: The purpose of this invention is to producea multifunctional earbud charging case. The specific functionality ofthe invention is to allow the processing of captured EEG data and relaythis information to a paired device while simultaneously being able tocharge and/or store earbuds capable of capturing this EEG data. Bymaking the earbud case capable of processing this kind of data, thecapabilities of wireless earbuds expands, as it overcomes thelimitations set by traditionally small size of wireless earbuds. Byoutsourcing some of this data processing load to the earbuds case, moredata can be interpreted and relayed to an EEG monitoring application.

Brief Summary of the Invention: Existing wireless earbud cases lack theability to handle complex data beyond basic charging functions. Toaddress this limitation, the presented invention is equipped to processthe data and relay it to the paired device and transmit intricate datato a designated application. The wireless earbud case serves as acharging hub and communication bridge for the earbuds. The casefacilitates wireless connections, particularly through bluetooth,enabling pairing with other devices. This case incorporates a chargingport for its own battery replenishment, which can also be achievedwirelessly. The exterior of the case can feature a light display tonotify the user of remaining battery levels. The case holds the capacityto analyze and relay accumulated data. This data revolves around EEG andbrainwave patterns acquired from external origins, like electrodesembedded in wireless earbuds. After undergoing processing, the gathereddata transforms into an interpretable format. It has the potential to bedisplayed on external gadgets, such as smartphones and PCs. Thisinvention offers a consolidated resolution that merges earbud charging,wireless linking, and the utilization of brainwave data.

Technical Terminology and Concepts

Wireless Earbud Case: Protective enclosure designed to hold wirelessearbuds and provide various functionalities.

Electroencephalography (EEG): The recording of electrical activity alongthe scalp, capturing brain wave patterns that can provide insights intocognitive and neurological conditions.

Magnetoencephalography (MEG): A technique used to measure the magneticfields produced by neural activity in the brain, offering complementaryinformation to EEG.

Bluetooth: Wireless technology standard for short-range communicationbetween devices, commonly used for data transmission between earbuds andthe case.

Analog-to-Digital Converter (ADC): A device that converts analog signals(such as EEG data) into digital signals for processing and transmission.

Microcontroller: A compact integrated circuit that contains a CPU,memory, and input/output peripherals for controlling various functions.

Transmitter: A component responsible for transmitting data wirelessly,often used to send processed EEG data to external devices.

Printed Circuit Board (PCB): A flat board that holds and connectselectronic components using conductive pathways, facilitatingcommunication between different components.

Magnetic Loop Copper Coil Antenna: A loop of copper wire that generatesa magnetic field when an electric current passes through it, used forwireless charging and communication.

Conductive Metals: Materials with high electrical conductivity, allowingthem to transmit electric current, commonly used for chargingconnections.

Battery Level Indication: Visual or numerical representation of theremaining charge in a battery, often displayed using LED lights or agauge.

Data Processing: The manipulation and analysis of collected data toextract meaningful information or insights.

Biometric Data: Unique physiological or behavioral characteristics of anindividual, in this case, EEG and MEG data.

External Device: A separate device, such as a mobile phone or personalcomputer, that interacts with the earbud case to display processed data.

Neurological Abnormalities: Irregularities or conditions affecting thenormal functioning of the nervous system, potentially detectable throughEEG and MEG data analysis.

SUMMARY

Charging cases for wireless earbuds are limited to displaying earbudbattery levels and conveying status details to paired mobile devices,and are unable to engage with complex datasets such as biometricelectroencephalography data. Its technical architecture centers aroundbattery monitoring and provisioning, rendering it insufficient forprocessing and relaying other intricate information beyond the chargingfunctionality.

The invention comprises a wireless earbud case equipped with advancedcapabilities for capturing and transmitting data to a dedicated mobileapp. This data encompasses EEG waveforms and cerebral scans,facilitating the monitoring of various aspects such as emotional states,sleep patterns, potential disruptions in sleep quality, the presence ofanomalies like epilepsy, and the early indications of possibleneurological disorders. The case establishes a seamless connection toearbuds through wireless transmission protocols like Bluetooth or WiFi,enabling the comprehensive dataset to be efficiently relayed to theassociated software application. Unlike conventional charging cases,this system serves as a multifunctional biometric processing tool,leveraging technology to provide insights into cognitive andneurological wellness via real-time data collection and analysis.

The case can be manufactured with either plastic or metal and be shapedas a cubical or spherical shape. The case will contain a charging portto charge the case battery. In addition to its charging capability, thecase's exterior may feature a colored light display to indicate thebattery level of the case. The case will be able to receive, process,and relay the information collected.

The implementation of a charging and processing case for wirelessearbuds with in-ear electroencephalography (EEG) can serve a role inadvancing technology and brain health accessibility. The case allows forunobtrusive placement of EEG sensors within the earbuds, enablingcontinuous, real-time monitoring of brain activity. This presents anopportunity for users to gain insights into their cognitive states,stress levels, focus, and mental well-being throughout their dailyactivities. By providing users with real-time feedback on their brainactivity, the case contributes to cognitive enhancement andneurofeedback training. Users can learn to control their cognitivestates, enhancing their focus, relaxation, and overall mentalperformance. The data collected through the EEG sensors can contributeto scientific research in neuroscience, psychology, and cognitivescience. The widespread adoption of this technology can lead to theaccumulation of valuable data for the development of neurology. Thecase's integration of charging, processing, and wireless communicationcomponents streamlines the user experience. It eliminates the need formultiple devices and cables, offering a consolidated solution thatmerges audio entertainment, cognitive monitoring, and communication.

The invention will possess the capacity to receive, analyze, andtransmit the collected data. This data will comprise EEG and cerebralwave activity garnered from incoming transmissions originating from theelectrodes interfaced with a wireless earbud. Following processing, thedata will undergo translation, rendering it interpretable anddisplayable on an external apparatus, including but not limited to amobile phone or personal computer. The accumulated data will encompassEEG waveforms and brain scan data, thereby facilitating the monitoringof mood variations, emotional states, disruptions in sleep quality,neural anomalies, and the nascent phases of neurological ailments. Thecase's wireless connectivity to earbuds, facilitated through mediumssuch as Bluetooth or WiFi, will enable information transmission to thedesignated software.

BRIEF DESCRIPTIONS OF THE DRAWINGS

FIG. 1 : EEG Earbud Case Open Orientation

Description—FIG. 1 illustrates a front-view perspective of the earbudsencapsulated in the EEG earbud case.

FIG. 2 : EEG Earbud Case Front & Rear View

Description—FIG. 2

-   -   displays both the frontal and rear perspectives of the earbuds        case, including the wedge of the case.

FIG. 3 : EEG Earbuds and Case's Magnetic Connectivity

Description—FIG. 3 portrays a front-view perspective of an EEG earbudmagnetically connecting to the proposed earbud case.

FIG. 4 : EEG Earbud System Case Operations

Description—FIG. 4 depicts the sequential process of capturing,processing, and transmitting EEG data by the earbud and its case forsubsequent display.

DETAILED DESCRIPTION

FIG. 1 shows a front-view illustration of the case, 101, containing theEEG earbuds. The case includes a dedicated charging port and a lightdisplay that exhibits the remaining battery percentage to users in realtime. This display signals the optimal time for initiating the rechargeprocess. The case, 101, also ensures seamless pairing with a diverserange of devices, as it is engineered to support wireless connectivity.The wireless connectivity improves user experience by simplifying theprocess of connecting the earbuds to external devices.

Through the magnetic connection, 103, the earbuds are held securely andare precisely aligned within their designated compartments within thecase. This alignment prevents any unnecessary strain on delicatecomponents, safeguarding the earbuds from potential damage. Beyond itsrole in preventing accidental dislodging, the magnetic mechanism alsocontributes to the longevity of the earbuds. The magnetic mechanismminimizes wear-and-tear by holding the earbuds firmly in place andensuring that they remain properly aligned, consequently reducing stressand friction during storage and transport. This innovation enhances usersatisfaction by reducing the need for frequent replacements due todamage or malfunction.

FIG. 2 provides both a front and a rear view illustration of the EEGearbud case. The front view of the case, 201, contains a Printed CircuitBoard (PCB). This circuit board houses a network of essential electroniccomponents that collectively drive the functionality of the EEG earbuds,including the Bluetooth module, analogue-to-digital converter,microcontroller, and transmitter. The analogue-to-digital converterstands as an intermediary, responsible for translating the raw analogEEG signals acquired through the earbuds into digital data streams.Next, the microcontroller orchestrates the handling and interpretationof the EEG data extracted from the earbuds. The Bluetooth module thenfacilitates connection between earbuds and a Bluetooth-enabled device,such as a smartphone, and the transmitter sends the data to theBluetooth-enabled device.

The back view of the case, 203, shows an antenna made of a copper coilin a magnetic loop configuration. This specialized antenna acts as botha receiver and transmitter of EEG data.

Positioned at the heart of the case, the earbuds hold a centralposition, regardless of the viewing angle, ensuring easy accessibility.The wedge of the case, 205, is a durable and corrosion-resistant metalhinge. This hinge design is pivotal, serving as a gateway to the earbudswhile allowing effortless opening and closing of the case. Through theincorporation of durable materials, the hinge's durability is not onlyassured but also contributes significantly to the overall sturdiness ofthe case.

FIG. 3 showcases the magnetic connection between the EEG earbud and theassociated earbud case during optimal function. The magnetic earbudcase, 301, handles transmission, reception, and processing ofinformation, which includes the EEG data, brain wave activity, batterystatus, and Bluetooth connectivity. The data originates from theintegrated electrodes and data processing units within the EEG earbudsystem, and is magnetically transferred to the paired external device.This connection enables the internal unit of the earbud to conveymessages, information, and alerts to the external device.

The magnetic earbud connection, 303, securely links the earbud to thecase, enabling data exchange and maintaining earbud stability. Thisconnection also facilitates efficient earbud charging via the case'sbattery storage. Data collated from the EEG earbud system encompassesdiverse elements, such as individualized battery capacity for eachearpiece, Bluetooth connectivity, signal robustness, EEG datasignatures, analyzed brain activity, and an assortment of biometricmarkers. The information originating from the magnetic earbud case (301)subsequently finds accessibility, rendering it visible through externalHuman-Machine Interface (HMI) software. This visibility extends acrossplatforms, including mobile devices and personal computers.

FIG. 4 portrays a flow chart illustrating a sequence of how the earbudand the case work to capture, process, and transmit EEG data so that itcan be displayed. Initially, the EEG earbuds must be securely placedinside of the case, 401, to initiate the pairing procedure and ensurethat the earbuds are safely stored when not in use. After the earbudshave been placed, the magnetic mechanism secures the earbuds, 403,protecting the earbuds from damage during transportation or storage. Toprepare the system for data capture and processing, the user willproceed to pair the case with an external device, 405, establishing awireless connection between the EEG earbuds and the external device.

Next, the user must place the earbuds in their ears in order to startthe process of capturing EEG data, 407, the user can wear the earbuds toinitiate the capture of data from the wearer's brain. After the earbudsare in the user's ears, the collected EEG data can be converted andprocessed into EEG signals, 409, which this data will later transmitwirelessly from the EEG earbuds to the paired external device, 411,allowing real-time monitoring and analysis of the user's brainwaveactivity. The transmitted EEG data is then simultaneously stored in thecase for future reference and analysis, 413, and displayed andvisualized on external software running on the paired device, 415 inreal-time. After this process, the remaining battery level is indicatedon the earbud case for the user to view, 417, which permits the user tomonitor the remaining battery life of the case and ensures it is chargedfor future use.

1. A multifunctional charging and processing case for wireless earbuds,comprising: a. A protective enclosure configured to hold wirelessearbuds and facilitate charging; b. An integrated wireless communicationmodule enabling communication with external devices; C. Ananalog-to-digital converter (ADC) for converting analog EEG signals fromthe wireless earbuds into digital data; d. A microcontroller responsiblefor processing the digitized EEG data and generating interpretablebrainwave patterns; e. A transmitter for wirelessly transmitting theprocessed EEG data to a paired external device; f. An antenna with amagnetic loop copper coil design for wireless charging andcommunication; g. A battery level indicator comprising a light displayfor indicating the remaining charge in the case's battery.
 2. Themultifunctional charging and processing case of claim 1, wherein thewireless communication module employs Bluetooth technology.
 3. Themultifunctional charging and processing case of claim 1, furthercomprising a wireless charging mechanism utilizing magnetic loop coppercoil antennas for efficient power transfer.
 4. The multifunctionalcharging and processing case of claim 1, wherein the battery levelindicator comprises a series of LED lights representing differentbattery levels.
 5. The multifunctional charging and processing case ofclaim 1, further comprising a printed circuit board (PCB) supporting theelectronic components and providing connectivity within the case.
 6. Themultifunctional charging and processing case of claim 1, wherein thebattery level indicator is configured to display battery statusinformation using different colors and patterns on the light display. 7.The multifunctional charging and processing case of claim 1, wherein thewireless communication module supports Wi-Fi connectivity in addition toBluetooth.
 8. The multifunctional charging and processing case of claim1, wherein the analog-to-digital converter (ADC) ensures accuratedigitization of EEG signals received from the wireless earbuds.
 9. Awireless earbud case system for processing and relaying biometric data,comprising: a. A charging and processing case for housing wirelessearbuds and processing biometric data; b. Electroencephalography (EEG)sensors integrated within the wireless earbuds for capturing brainwavepatterns; C. Bluetooth wireless communication for establishing aconnection between the wireless earbuds and external devices; d. Amicrocontroller unit (MCU) embedded within the case for analyzing thecaptured EEG data and generating real-time insights; e. Datatransmission means for wirelessly relaying the analyzed EEG data to adesignated mobile application; f. An external human-machine interface(HMI) device for displaying the processed EEG data in an interpretableformat; g. A secure magnetic mechanism within the case for securelyholding and charging the wireless earbuds.
 10. The wireless earbud casesystem of claim 9, wherein the EEG sensors are integrated within theearbuds in an unobtrusive manner, allowing continuous monitoring duringvarious activities.
 11. The wireless earbud case system of claim 9,wherein the microcontroller unit performs real-time analysis of EEG datato identify cognitive states, stress levels, emotional well-being, andpotential neurological anomalies.
 12. The wireless earbud case system ofclaim 9, wherein the data transmission means comprises a transmitterthat uses the magnetic loop copper coil antenna to wirelessly send theprocessed EEG data to the mobile application.
 13. The wireless earbudcase system of claim 9, wherein the external HMI device includessmartphone applications and computer software capable of displayingvisual representations of the EEG data.
 14. The wireless earbud casesystem of claim 9, wherein the secure magnetic mechanism ensures thatthe wireless earbuds are held securely in place even during movementsand transport.
 15. The wireless earbud case system of claim 9, whereinthe secure magnetic mechanism facilitates efficient charging of thewireless earbuds while maintaining a stable connection for datatransmission.
 16. The wireless earbud case system of claim 9, furthercomprising a data storage unit within the case for maintaining dataintegrity and enabling future analysis of historical EEG data.
 17. Thewireless earbud case system of claim 9, wherein the external HMI deviceincludes customizable user interfaces for presenting EEG data insightsbased on individual preferences.